use vergen

rust/Cargo.toml

@@ -66,14 +66,16 @@ esp-idf-hal = "0.42.5"
 esp-idf-sys = { version = "0.33.7", features = ["binstart", "native"] }
 esp-ota = "0.2.0"
 esp_idf_build = "0.1.3"
-build-time = "0.1.2"
 chrono = { version = "0.4.23", default-features = false , features = ["iana-time-zone"] }
 chrono-tz = {version="0.8.0", default-features = false , features = [ "filter-by-regex" ]}
 embedded-hal = "0.2.7"
 shift-register-driver = "0.1.1"
 one-wire-bus = "0.1.1"
 anyhow = { version = "1.0.75", features = ["std", "backtrace"] }
+schemars = "0.8.16"
+
 #?bq34z100 required
 
 [build-dependencies]
 embuild = "0.31.3"
+vergen = { version = "8.2.6", features = ["build", "git", "gitcl"] }

rust/build.rs

@@ -1,3 +1,5 @@
+use vergen::EmitBuilder;
 fn main() {
     embuild::espidf::sysenv::output();
-}
+    let _ = EmitBuilder::builder().all_git().emit();
+}

rust/src/main.rs

@@ -1,5 +1,4 @@
 use chrono::{Datelike, Timelike, NaiveDateTime};
-use build_time::build_time_utc;
 
 use chrono_tz::Europe::Berlin;
 use esp_idf_hal::delay::Delay;
@@ -26,8 +25,8 @@ fn main() -> Result<()>{
 
     log::info!("Startup Rust");
 
-    let utc_build_time = build_time_utc!();
+    let git_hash = env!("VERGEN_GIT_DESCRIBE");
-    println!("Version was build {}", utc_build_time);
+    println!("Version useing git has {}", git_hash);
     
 
     let mut board = PlantHal::create()?;     

rust/src/webserver/webserver.rs

@@ -1,6 +1,5 @@
 //offer ota and config mode
 
-use build_time::build_time_utc;
 use embedded_svc::http::Method;
 use esp_idf_svc::http::server::EspHttpServer;
 use esp_ota::OtaUpdate;
@@ -20,9 +19,9 @@ pub fn httpd(initial_config:bool) -> EspHttpServer<'static> {
             return Ok(())
         }).unwrap();
     server
-        .fn_handler("/buildtime",Method::Get,  |request| {
+        .fn_handler("/version",Method::Get,  |request| {
             let mut response = request.into_ok_response()?;
-            response.write(build_time_utc!().as_bytes())?;
+            response.write(env!("VERGEN_GIT_DESCRIBE").as_bytes())?;
             return Ok(())
         }).unwrap();
     server